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J.12 Ronda Quartz, RQ 1377

At the 1973 Basle Fair, Ronda of Lausen, Switzerland, showed the Ronda Quartz 32 kHz with a stepping motor, a quartz crystal and a CMOS IC made by Motorola. The second model had a smaller quartz crystal. The sale of the watch started one year later.

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Copyright by Pieter Doensen

email: doensen@xs4all.nl

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